stm32h743加emmc/sdmmc加文件系统 的驱动和测试代码

/** ****************************************************************************** * File Name : SDMMC.c * Description : This file provides code for the configuration * of the SDMMC instances. ****************************************************************************** * @attention * * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics. * All rights reserved.</center></h2> * * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "sdmmc.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ MMC_HandleTypeDef hmmc1; /* SDMMC1 init function */ void MX_SDMMC1_MMC_Init(void) { hmmc1.Instance = SDMMC1; hmmc1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING; hmmc1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE; hmmc1.Init.BusWide = SDMMC_BUS_WIDE_8B; hmmc1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE; hmmc1.Init.ClockDiv = 0; hmmc1.Init.TranceiverPresent = SDMMC_TRANSCEIVER_NOT_PRESENT; if (HAL_MMC_Init(&hmmc1) != HAL_OK) { Error_Handler(); } } void HAL_MMC_MspInit(MMC_HandleTypeDef* mmcHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(mmcHandle->Instance==SDMMC1) { /* USER CODE BEGIN SDMMC1_MspInit 0 */ /* USER CODE END SDMMC1_MspInit 0 */ /* SDMMC1 clock enable */ __HAL_RCC_SDMMC1_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SDMMC1 GPIO Configuration PC6 ------> SDMMC1_D6 PC7 ------> SDMMC1_D7 PC8 ------> SDMMC1_D0 PC9 ------> SDMMC1_D1 PC10 ------> SDMMC1_D2 PC11 ------> SDMMC1_D3 PC12 ------> SDMMC1_CK PD2 ------> SDMMC1_CMD PB8 ------> SDMMC1_D4 PB9 ------> SDMMC1_D5 */ GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9 |GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* SDMMC1 interrupt Init */ HAL_NVIC_SetPriority(SDMMC1_IRQn, 5, 0); HAL_NVIC_EnableIRQ(SDMMC1_IRQn); /* USER CODE BEGIN SDMMC1_MspInit 1 */ /* USER CODE END SDMMC1_MspInit 1 */ } } void HAL_MMC_MspDeInit(MMC_HandleTypeDef* mmcHandle) { if(mmcHandle->Instance==SDMMC1) { /* USER CODE BEGIN SDMMC1_MspDeInit 0 */ /* USER CODE END SDMMC1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SDMMC1_CLK_DISABLE(); /**SDMMC1 GPIO Configuration PC6 ------> SDMMC1_D6 PC7 ------> SDMMC1_D7 PC8 ------> SDMMC1_D0 PC9 ------> SDMMC1_D1 PC10 ------> SDMMC1_D2 PC11 ------> SDMMC1_D3 PC12 ------> SDMMC1_CK PD2 ------> SDMMC1_CMD PB8 ------> SDMMC1_D4 PB9 ------> SDMMC1_D5 */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9 |GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12); HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2); HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9); /* SDMMC1 interrupt Deinit */ HAL_NVIC_DisableIRQ(SDMMC1_IRQn); /* USER CODE BEGIN SDMMC1_MspDeInit 1 */ /* USER CODE END SDMMC1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/